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1f) IONIC BONDING (Properties (the greater the ionic charge (the stronger…
1f) IONIC BONDING
Properties
will conduct electricity when dissolved in water because the ions are free to move
cannot move when solid
cannot conduct electrisity
High melting and Boiling point
as many strong attractions to overcome
the greater the ionic charge
the stronger the attraction
higher the melting and boiling points
metal + non-metal
gain electrons
complete outer shell
negative charge
anions
.
lose outer shell
lose outer shell
lose electrons
positive charge
Cations
to get a full outer shell
Electrons have a negative charge
atoms that lose electrons have a positive charge
atoms that gain electrons have a negative charge
all atoms are neutral
get a + or - charge when they get a full outer shell
e.g. bonding in Lithium Nitrogen
needs 3 Lithium to complete outer shell
all become giant ionic latice
once they have a charge they are called ions
the force of attraction is between the positive and negative ions